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Create a dictionary with list comprehension
...) of keys and/or values, just call the dict built-in directly:
1) consumed from any iterable yielding pairs of keys/vals
dict(pairs)
2) "zip'ped" from two separate iterables of keys/vals
dict(zip(list_of_keys, list_of_values))
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Which is better, number(x) or parseFloat(x)?
... For the cases they behave the same I've found out that parseFloat is from 1% to 15% slower, becoming slower when the number of decimal digits in a string increases. With 1M run in my system parseFloat('1.501') is 5% slower than Number('1.501'), and parseFloat('1.50137585467') is 15% slower tha...
How do you specify a byte literal in Java?
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If you're passing literals in code, what's stopping you from simply declaring it ahead of time?
byte b = 0; //Set to desired value.
f(b);
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How can I catch a 404?
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can I get the NUMBER out somehow from the objects without making my own lookup list? I would like to have something like: int httpresponsecode = HttpStatusCode.ToInt() or similar so I get 404
– BerggreenDK
Apr 12 '11 at...
Npm Please try using this command again as root/administrator
...an error as preceding.
npm ERR! As of npm@5, the npm cache self-heals from corruption issues and data extracted from the cache is guaranteed to be valid. If you want to make sure everything is consistent, use 'npm cache verify' instead.
(Source: MSDN Blog post)
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How do I work with a git repository within another repository?
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If you modify a file in /my/project1/media, you can commit it and pull it from /my/project2/media without pushing it to a remote server:
cd /my/project1/media
git commit -a -m "message"
cd /my/project2/media
git pull project1 master
You are free to remove these commits later (with git reset) bec...
Google MAP API Uncaught TypeError: Cannot read property 'offsetWidth' of null
...(the pathological case of the div not being rendered)
Adding code sample from wf9a5m75's post to put everything in one place:
<script type="text/javascript">
function initialize() {
var latlng = new google.maps.LatLng(-34.397, 150.644);
var myOptions = {
zoom: 8,
ce...
Passing arguments to an interactive program non-interactively
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Many ways
pipe your input
echo "yes
no
maybe" | your_program
redirect from a file
your_program < answers.txt
use a here document (this can be very readable)
your_program << ANSWERS
yes
no
maybe
ANSWERS
use a here string
your_program <<< $'yes\nno\nmaybe\n'
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Rounding float in Ruby
...s a number, not a string. There is no way that the number 2.3 is different from 2.30, so there is no way to have an option to preserve trailing zeros. You could make your own class of numbers_with_significance but then we already have strings.
– Roobie Nuby
Apr...
Java “lambda expressions not supported at this language level”
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Note from proposed edit: You can also configure language level for every module, File Menu → Project Structure → Modules, but by default it will the same as Project language level.
– user1516873
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